题解 | #数字颠倒#
数字颠倒
https://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
#include <iostream> using namespace std; int main() { string str; cin >> str; string::reverse_iterator it = str.rbegin(); for (; it != str.rend(); it++) { cout << *it; } }
迭代器逆序输出